Helmut Kaul

An existence theorem for harmonic mappings of Riemannian manifolds

Stefan Hildebrandt, Helmut Kaul, Kjell‐Ove Widman · Acta Mathematica · 1977 · 287 citations · Full text

Riemannian Geometry, Global Analysis, Harmonic Mappings +1

Uniqueness and stability of harmonic maps and their Jacobi fields

Willi Jäger, Helmut Kaul · manuscripta mathematica · 1979 · 108 citations

Harmonic Space, Global Analysis, Jacobi Fields +2

Two‐dimensional variational problems with obstructions, and Plateau's problem for h‐surfaces in a riemannian manifold

Stefan Hildebrandt, Helmut Kaul · Communications on Pure and Applied Mathematics · 1972 · 86 citations

Geometric Partial Differential Equation, Geometry, Riemannian Geometry +3

Uniqueness of harmonic mappings and of solutions of elliptic equations on Riemannian manifolds

Willi Jäger, Helmut Kaul · Mathematische Annalen · 1979 · 29 citations

Elliptic Equation, Harmonic Mappings, Geometric Partial Differential Equation +5

Harmonic mappings into Riemannian manifolds with non-positive sectional curvature.

Stefan Hildebrandt, Helmut Kaul, Kjell‐Ove Widman · MATHEMATICA SCANDINAVICA · 1975 · 20 citations · Full text

Harmonic Mappings, Geometry, Riemannian Geometry +2